1. Fragmentation of necic acids

   • U. A. Abdullaev
   • Ya. V. Rashkes
   • S. Yu. Yunusov

   OriginalPaper Pages: 141 - 143

2. An investigation of the phospholipids of seeds of the cotton plant of variety 108-F

   • Kh. S. Mukhamedova
   • S. T. Akramov

   OriginalPaper Pages: 144 - 146

3. The structure of the products of transformation of suberosin and their possible biogenesis

   • A. Z. Abyshev

   OriginalPaper Pages: 147 - 149

4. A new quercetin diglycoside from Campanula glomerata

   • L. S. Teslov
   • K. F. Blinova

   OriginalPaper Pages: 150 - 152

5. 7-O-methylgossypetin 3-rhamnoside from Atraphaxis pyrifolia

   • T. K. Chumbalov
   • M. M. Mukhamed'yarova
   • I. S. Chanysheva

   OriginalPaper Pages: 153 - 156

6. Flavonoids of Thermopsis alterniflora

   • N. Sh. Kattaev
   • G. K. Nikonov

   OriginalPaper Pages: 157 - 159

7. Flavonoids of Bidens tripartita. III

   • A. G. Serbin
   • M. I. Borisov
   • V. G. Gordienko

   OriginalPaper Pages: 160 - 162

8. Sphaerosin and Sphaerosinin — New isoflavanes from Sphaerophysa salsula

   • N. Sh. Kattaev
   • G. K. Nikonov
   • Ya. V. Rashkes

   OriginalPaper Pages: 163 - 166

9. The structure of fekorin — A new ester from the roots of Ferula korshinskyi

   • A. Sh. Kadyrov
   • A. I. Saidkhodzhaev
   • G. K. Nikonov

   OriginalPaper Pages: 167 - 169

10. Phytoecdysones of Serratula III. Mass spectrometric study of the acetates and acetonides of ecdysterone and viticosterone e

    • I. L. Zatsny
    • M. B. Gorovits
    • N. K. Abubakirov

    OriginalPaper Pages: 170 - 172

11. The stability of the molecular and some fragmentary ions in the mass spectra of cardenolides

    • Ya. V. Rashkes
    • R. Sh. Yamatova
    • N. K. Abubakirov

    OriginalPaper Pages: 173 - 178

12. Erysimum glycosides X. Cardenolides of Erysimum cuspidatum

    • V. A. Maslennikova
    • R. U. Umarova
    • N. K. Abubakirov

    OriginalPaper Pages: 179 - 182

13. Pregnane glycosides of Cynanchum sibiricum III. The structure of sibiricosides D and E

    • R. N. Tursunova
    • V. A. Maslennikova
    • N. K. Abubakirov

    OriginalPaper Pages: 183 - 187

14. Triterpene glycosides of Acanthophyllum gypsophiloides III. Structure of the O-glycosidic carbohydrate chain of acanthophyllosides B and C

    • Zh. M. Putieva
    • L. G. Mzhel'skaya
    • N. K. Abubakirov

    OriginalPaper Pages: 188 - 192

15. The structure of veralodinine

    • K. Samikov
    • R. Shakirov
    • S. Yu. Yunusov

    OriginalPaper Pages: 193 - 196

16. Alkaloids of Stephania delavayi IV. Isostephodeline

    • M. E. Perel'son
    • I. I. Fadeeva
    • T. N. Il'inskaya

    OriginalPaper Pages: 197 - 201

17. Structure of kesselridine

    • A. K. Kasimov
    • M. K. Yusupov
    • Kh. A. Aslanov

    OriginalPaper Pages: 202 - 205

18. A colored water-soluble carbodiimide as a reagent for the modification of proteins

    • G. N. Balandina
    • E. N. Lysogorskaya
    • V. M. Stepanov

    OriginalPaper Pages: 206 - 208

19. Study of the conformational states of cyclopeptide systems X. Spatial structure of cyclohexapeptides constructed of L-valine, L-leucine, L-norvaline, and glycine residues

    • V. T. Ivanov
    • I. A. Lavrinovich
    • Yu. A. Ovchinnikov

    OriginalPaper Pages: 209 - 216

20. Theoretical conformational analysis of N-acetyl-L-leucine methylamide

    • I. S. Maksumov
    • S. F. Arkhipova
    • E. M. Popov

    OriginalPaper Pages: 217 - 222

21. Use of disk electrophoresis for the separation of large peptide fragments of proteins

    • A. Ya. Strongin
    • E. D. Levin
    • V. M. Stepanov

    OriginalPaper Pages: 223 - 225

22. Amino-acid composition of the phospholipases A₂ of the venom of the Central Asian cobra

    • D. N. Sakhibov
    • L. Ya. Yukel'son
    • R. Salikhov

    OriginalPaper Pages: 226 - 230

23. Chemical modification of the tryptophan residues of the L-asparaginase of E. coli with N-bromosuccinimide

    • R. K. Bluma
    • I. A. Vina
    • R. A. Zhagat

    OriginalPaper Pages: 231 - 233

24. A study of the conformational states of arginine-containing polypeptides of regular structure

    • V. K. Burichenko
    • G. F. Kasymova
    • M. I. Isabaev

    OriginalPaper Pages: 234 - 236

25. Inhibition of yeast in organic pyrophosphatase by the ester of glycine and by hydroxylamines

    • N. Yu. Fink
    • T. I. Nazarova
    • S. M. Avaeva

    OriginalPaper Pages: 237 - 241

26. Determination of 6-deoxyhexoses by gas-liquid chromatography

    • T. T. Gorovits
    • N. K. Abubakirov

    Brief Communications Pages: 242 - 243

27. Investigation of the influence of fungicides on the oil content of cotton seeds and the quality of the oil

    • S. F. Radzhabov
    • A. U. Umarov

    Brief Communications Pages: 244 - 245

28. The question of the configurations of farnesiferol a, gummosin, badrakemin, and colladonin

    • M. E. Perel'son
    • N. P. Kir'yalov
    • A. I. Ban'kovskii

    Brief Communications Pages: 246 - 247

29. The use of the seeds of E. diffusum for obtaining strophanthidin acetate

    • K. N. Khodzhaev
    • M. -R. I. Shamsutdinov
    • T. T. Shakirov

    Brief Communications Pages: 248 - 248

30. Coumarins of Libanotis lehmannae

    • A. M. Aminov
    • K. B. Bizhanova
    • G. K. Nikonov

    Brief Communications Pages: 249 - 249

31. Colladocin - a new triterpenoid coumarin from Colladonia triguetra

    • V. N. Borisov
    • A. I. Ban'kovskii
    • V. S. Kabanov

    Brief Communications Pages: 250 - 251

32. The structure and stereochemistry of conferin

    • M. E. Perel'son
    • V. V. Vandyshev
    • Yu. E. Sklyar

    Brief Communications Pages: 252 - 253

33. The configuration of polyanthin and polyanthinin

    • M. E. Perel'son

    Brief Communications Pages: 254 - 254

34. Coumarins of the roots of Heracleum lehmannianum

    • N. F. Komissarenko
    • O. Temirbekov

    Brief Communications Pages: 255 - 255

35. Coumarins from the roots of Prangos lipskyi

    • T. Yu. Danchul
    • L. V. Kuz'mina
    • G. A. Kuznetsova

    Brief Communications Pages: 256 - 257

36. Flavonoid aglycones of Lupinus luteus

    • N. A. Laman

    Brief Communications Pages: 258 - 258

37. Flavonoids of Veronica officinalis

    • N. F. Gusev
    • G. A. Glumov
    • S. V. Teslov

    Brief Communications Pages: 259 - 259

38. Flavonoids of Melandrium album

    • N. Ya. Zykova
    • G. P. Pivenko

    Brief Communications Pages: 260 - 260

39. Flavonoids of Alhagi kirgisorum

    • G. Sh. Burasheva
    • M. M. Mukhamed'yarova
    • T. K. Chumbalov

    Brief Communications Pages: 261 - 261

40. Flavonoids of Dracocephalum nutans

    • A. A. Shamyrina
    • V. A. Peshkova
    • N. I. Shergina

    Brief Communications Pages: 262 - 262

41. Anthocyanins of Malva silvestris

    • Z. B. Rakhimkhanov
    • A. I. Ismailov
    • F. Kh. Dzhuraeva

    Brief Communications Pages: 263 - 263

42. Isoflavones of the oilcake of the seeds of Glycyne hispida

    • A. L. Kazakov
    • E. A. Kechatov
    • V. M. Chemerko

    Brief Communications Pages: 264 - 265

43. Diterpene hydrocarbons of the oleoresin of Pinus pallasiana

    • P. F. Vlad
    • A. G. Russo
    • M. N. Koltsa

    Brief Communications Pages: 266 - 267

44. Analogs of ecdysones based on steroid sapogenins II. 3β,5,14α-trihydroxy-(25R)-5α-spirost-7-en-6-one

    • I. L. Novosel'skaya
    • M. B. Gorovits
    • N. K. Abubakirov

    Brief Communications Pages: 268 - 269

45. Triterpenoids and steroids of Hyssopus seravshanicus and H. ferganensis

    • E. P. Zotov
    • R. L. Khazanovich

    Brief Communications Pages: 270 - 270

46. A chemical study of the steroid glycosides of Tribulus terrestris IV. Steroid saponins

    • É. D. Perepelitsa
    • P. K. Kintya

    Brief Communications Pages: 271 - 272

47. The structure of maximolide

    • S. Kh. Zakirov
    • Sh. Z. Kasymov
    • G. P. Sidyakin

    Brief Communications Pages: 273 - 273

48. Tanacin - a new germacranolide from Tanacetum pseudoachillea

    • A. I. Yunusov
    • Sh. Z. Kasymov
    • G. P. Sidyakin

    Brief Communications Pages: 274 - 274

49. Glycosylation of cardenolides I. Methyl ester of strophanthidin 3β-galactosiduronic acid

    • N. Sh. Pal'yants
    • M. B. Gorovits
    • N. K. Abubakirov

    Brief Communications Pages: 275 - 276

50. Isolation of pseudocopsinine methochloride and of minovincinine from Vinca erecta

    • M. M. Khalmirzaev
    • V. M. Malikov
    • S. Yu. Yunusov

    Brief Communications Pages: 277 - 277